﻿using System;
using System.Collections.Generic;
using System.Text;

namespace Infrastructure
{
    public static class RandomHelper
    {
           /// <summary>
          ///生成制定位数的随机码（数字）
          /// </summary>
          /// <param name="length"></param>
          /// <returns></returns>
          public static string GenerateRandomCode(int length)
          {
             var result = new StringBuilder();
             for (var i = 0; i<length; i++)
             {
                 var r = new Random(Guid.NewGuid().GetHashCode());
                 result.Append(r.Next(0, 10));
             }
             return result.ToString();
         }
    }
}
